Bare Cylinder Head 330cc/122cc Fits for Chevy BBC 396 427 454 496 7.4L Rectangle Port 96335576
DESCRIPTION
--For Chevy Big Block 396 427 454 496 502 7.4L V8 1965-2000 Engines.
--Spark Plug Style: Angle
--Material: Aluminum
--Style: Bare
--Finish: Natural
--Combustion Chamber Volume: 122cc
--Intake Runner Volume: 330cc
--Exhaust Runner Volume: 140cc
--Intake Valve Diameter: 2.250"
--Exhaust Valve Diameter: 1.880"
--Valve Stem Diameter: 11/32"
--Valve Guide Material: Manganese Bronze
--Intake Port Shape: Rectangle
--Intake Port Location: Standard
--Exhaust Port Shape: Square
--Exhaust Port Location: Standard
--Valve Seat Machine Style: 3-Angle
--Valve Seat Material: Ductile Iron
--Valve Cover Mounting Style: Perimeter Bolt
--Pre-Drilled Accessory Bolt Holes.
--Multi-Angle Seat Design For Improved Flow At Low Lifts.
--Thick Deck To Resist Warping And Allow For Additional Milling If Desired.
--High-grade aluminum, Bronze Valve Guides, And Advanced Port Design For Greater Airflow.
Note: Professional Installation is Highly Recommended (No Instruction Included).